What are the risks with wood burning in Japan?

Alasdair talks to Roger Smith, Japan Director for Mighty Earth, about Japanese biomass imports and the risks of the country's coal power stations switching to wood-burning. Further reading: SMOKESCREEN: SUMITOMO’S “CARBON NEUTRAL” FAILURES SUMITOMO CORPORATION’S DIRTY ENERGY TRADE: Biomass, Coal and Japan’s Energy FutureBiomass cofiring loopholes put coal on open-ended life support in Asia, MongabayAs biomass burning surges in Japan and South Korea, where will Asia get its wood?,...